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Trim($rel); $rel = trim($rel); if (parse_url($rel, PHP_URL_SCHEME) != '' || substr($rel, 0, 2) == '//') { return $base.$rel; } extract(parse_url($base)); $path = preg_replace('#/[^/]*$#', '', $path); /* replace '//' or '/./' or '/foo/../' with '/' */ } /* replace '//' or '/./' or '/foo/../' with '/' */ } /* absolute URL.

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